From: Oliver Neukum <oliver@neukum.org>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
Cc: "Alan Stern" <stern@rowland.harvard.edu>,
"Andrew Morton" <akpm@osdl.org>,
"David Liontooth" <liontooth@cogweb.net>,
linux-kernel@vger.kernel.org,
linux-usb-devel@lists.sourceforge.net
Subject: Re: USB devices fail unnecessarily on unpowered hubs
Date: Thu, 1 Jun 2006 17:53:37 +0200 [thread overview]
Message-ID: <200606011753.38157.oliver@neukum.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0606011104140.1745@chaos.analogic.com>
Am Donnerstag, 1. Juni 2006 17:09 schrieb linux-os (Dick Johnson):
> Many, most, perhaps all such devices don't take more power when they
> are "enabled". Everything is already running and sucking up maximum
> current when you plug it in! If the motherboard didn't smoke when
If they do, they are violating the spec. A device in the unconfigured (state 0)
state must not draw more than 100mA.
Regards
Oliver
next prev parent reply other threads:[~2006-06-01 15:53 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-01 9:18 David Liontooth
2006-05-30 20:01 ` Pavel Machek
2006-06-03 9:29 ` Oliver Neukum
2006-06-05 14:32 ` [linux-usb-devel] " David Brownell
2006-06-06 7:43 ` Oliver Neukum
2006-06-08 7:01 ` Pavel Machek
2006-06-08 8:34 ` [PATCH] limit power budget on spitz Pavel Machek
2006-06-08 8:50 ` Richard Purdie
2006-06-08 9:02 ` Pavel Machek
2006-06-08 9:22 ` Richard Purdie
2006-06-08 17:09 ` Russell King
2006-06-08 18:26 ` David Brownell
2006-06-08 20:06 ` Richard Purdie
2006-06-08 20:38 ` [linux-usb-devel] " David Brownell
2006-06-08 21:22 ` Richard Purdie
2006-06-08 21:40 ` David Brownell
2006-06-08 21:49 ` Richard Purdie
2006-06-08 23:44 ` David Brownell
2006-06-09 1:25 ` Nicolas Pitre
2006-06-09 2:03 ` David Brownell
2006-06-09 2:34 ` Nicolas Pitre
2006-06-01 10:01 ` USB devices fail unnecessarily on unpowered hubs Andrew Morton
2006-06-01 11:42 ` Daniel Drake
2006-06-01 14:58 ` Alan Stern
2006-06-01 15:09 ` linux-os (Dick Johnson)
2006-06-01 15:23 ` Lennart Sorensen
2006-06-01 21:39 ` Dagfinn Ilmari Mannsåker
2006-06-01 15:53 ` Oliver Neukum [this message]
2006-06-01 17:24 ` linux-os (Dick Johnson)
2006-06-01 16:57 ` Alan Stern
2006-06-01 16:43 ` [linux-usb-devel] " Greg KH
2006-06-02 0:03 ` David Liontooth
2006-06-02 1:53 ` [linux-usb-devel] " David Brownell
2006-06-02 7:12 ` Oliver Neukum
2006-06-02 15:11 ` Alan Stern
2006-06-02 19:49 ` David Liontooth
2006-06-01 16:59 ` Andrew Morton
2006-06-01 17:08 ` Alan Stern
2006-06-01 17:34 ` Mark Lord
2006-06-01 17:47 ` Alan Stern
[not found] <6iWP5-2gj-71@gated-at.bofh.it>
[not found] ` <6iX82-2UJ-3@gated-at.bofh.it>
2006-06-01 23:35 ` Robert Hancock
2006-06-01 23:46 ` Randy.Dunlap
[not found] <6iYGP-5hv-3@gated-at.bofh.it>
[not found] ` <6iYQx-5Jc-7@gated-at.bofh.it>
2006-06-01 23:37 ` Robert Hancock
2006-06-05 11:07 Lee Dowling
[not found] <6kl8h-1Uf-15@gated-at.bofh.it>
2006-06-07 0:51 ` Robert Hancock
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